The Epson UB-S01 is a serial interface card for Epson TM POS printers. It has a 1K buffer, a DB-25 connector, and supports long cables.Compatible with H5000II, U325, U590, U675, H6000IV,H6000V, H2000, L90 Plus, L90 Plus LFC, L90 Plus Peeler,T70, T70II, T88IV, T88V, T88VI, U220 and T20II.